20 QFN EP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
20 QFN EP
Introducing Power by Linear

LTC3891IUDC#TRPBF

DigiKey Part Number
LTC3891IUDC#TRPBFTR-ND - Tape & Reel (TR)
LTC3891IUDC#TRPBFCT-ND - Cut Tape (CT)
LTC3891IUDC#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LTC3891IUDC#TRPBF
Description
IC REG CTRLR BUCK 20QFN
Manufacturer Standard Lead Time
22 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (3x4)
Datasheet
 Datasheet
EDA/CAD Models
LTC3891IUDC#TRPBF Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Analog Devices Inc.
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Output Type
Transistor Driver
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
4V ~ 60V
Frequency - Switching
105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max)
99%
Synchronous Rectifier
Yes
Clock Sync
No
Serial Interfaces
-
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
20-WFQFN Exposed Pad
Supplier Device Package
20-QFN (3x4)
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 1,915
Check for Additional Incoming Stock
All prices are in HKD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$99.68000$99.68
10$68.50400$685.04
25$60.38040$1,509.51
100$51.19800$5,119.80
250$48.75296$12,188.24
* All Digi-Reel orders will add a $55.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$48.75281$121,882.02
Manufacturers Standard Package